37. The two types of nodes in decision trees are: A. major and minor B. decision and event C. forward and backward D. internal and external E. informed and uninformed The following two questions use the information below: The QRS manufacturing company buys QRS XO Y 0 0 Vendor A 2 5 components from four vendors; their locations are given as (X, Y) coordinate pairs in the table to the right. Vendor B -2 0 Vendor C Vendor D 0 1 4 4 38. Using the cross-median model, what is the sum of distances between QRS and its four vendors? A. 20 B. 18 C. 16 D. 14 E. 12 39. Using the Euclidean model, what is the sum of distan A. 18.9 B. 16.5 C. 14.0 D. 10.3 E. 8.1 soue wa seo.com